<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- 准备好一个容器 -->
    <div id="test1"></div>
    <div id="test2"></div>
    <div id="test3"></div>

    <!-- 引入react核心库 -->
    <script src="../js/react.development.js"></script>
    <!-- 引入react-dom，用于支持 react操作dom-->
    <script src="../js/react-dom.development.js"></script>
    <!-- 引入babel，用于将jsx转为 js-->
    <script src="../js/babel.min.js"></script>
    <!-- 引入prop-Types,用于对组件标签属性进行限制 -->
    <script src="../js/prop-types.js"></script>


    <script type="text/babel">
        // 1.创建组件
        class Person extends React.Component{
            render(){
                console.log(this);
                // props是只读的
                const {name,age,sex} = this.props;
                // this.props.name='jack' 
                return (
                    <ul>
                         <li>姓名：{name}</li>
                         <li>性别：{sex}</li>
                         <li>年龄：{age+1}</li>
                    </ul>
                )
            }
        }
        // 对标签属性进行类型，必要性的限制
        Person.propTypes = {
            name:PropTypes.string.isRequired,  //限制name必传，且为字符串
            sex:PropTypes.string,   //限制sex为字符串
            age:PropTypes.number,   //限制age为数值
            speak:PropTypes.func,    //限制speak为函数
        }
        // 指定默认标签属性值
        Person.defaultProps={
            sex:'男',  //sex的默认值为男
            age:0    //age默认值为18
        }

        // 2.渲染组件到页面
            ReactDOM.render(<Person name="tom" speak={speak} />,document.getElementById('test1'));
            ReactDOM.render(<Person name="jerry" age={20} sex="男"/>,document.getElementById('test2'));

            const p ={name:'老刘',age:18,sex:'女'};

            // ReactDOM.render(<Person name={p.name} age={p.age} sex={p.sex}/>,document.getElementById('test3'));
            ReactDOM.render(<Person {...p}/>,document.getElementById('test3'));
    
        function speak(){
            console.log('我说话了');
        }
    
    </script>
</body>
</html>